commencement

"commencement", used with reference to a written law, means the date when the law comes into operation;
ACT 388 - INTERPRETATION ACTS 1948 AND 1967 (CONSOLIDATED AND REVISED 1989)
3. Definitions.

commencement

"commencement" used with reference to an Act of Parliament, Ordinance or Enactment means the time at which the Act of Parliament, Ordinance or Enactment comes into operation;
ACT 388 - INTERPRETATION ACTS 1948 AND 1967 (CONSOLIDATED AND REVISED 1989)
66. DEFINITIONs.